PWS

*ktb - to sting, to carve (Kogan 2015: 213)

PCS
*ktb - to write (Kogan 2015: 213)

Syriac
maktbā - awl (LSyr. 352, SL 762)
Arabic
ktb - to sew together (Lane 2589)
Tigre
katäbä - to vaccinate (WTS 414)
Tigrinya
katäbä - to vaccinate (TED 1642)
Amharic
kättäbä - to inoculate, to vaccinate; to cut, to scrape, to pick or scratch (AED 1430)